Face mask



FIG. 1 is a perspective view of a face mask showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is a top view thereof.

The broken lines in FIGS. 1-6 are for environmental purposes only and do not form any part of the claimed design.

All surfaces not shown form no part of the claimed design. 

CLAIM The ornamental design for a face mask, as shown and described. 